Job Description:

• 1) Tends equipment to separate starch from ground potatoes, and adds chemicals to resulting solution to produce starch of specified purity: Flushes shaker screen containing ground potatoes, using water hose, to remove foreign matter and form crude starch suspension.

• 2) Turns valves to admit suspension and water to settling and rewash tanks in which impurities rise to surface, forming scum.

• 3) Turns valves to transfer scum to starch tables and settling tanks until all white starch has been separated.

• 4) Drains salvaged starch into vat, starts agitator, and adds equal volume of water to form white starch suspension prior to drying.

• 5) Determines acidity, viscosity, and bacteria content of suspension, using pH meter and viscometer.

• 6) Adds measured amounts of specified chemicals to further purify and preserve product.